and the Trane KIT15816 Furnace Control & Ignitor is the factory-authorized solution for modernizing legacy ignition systems

Engineered for mission-critical commercial refrigeration

this component monitors internal heat exchanger temperatures

For extreme moisture or outdoor exposure

making it suitable for washdown environments

Carrier HK02SA445 Pressure Switch Freon and the Trane KIT15816 FurnaceThe Carrier HK02SA445 is a critical OEM high pressure safety switch designed for precise refrigerant circuit monitoring in residential and commercial condensing units. This high pressure switch is factory calibrated with a 660 PSI cutout and a 505 PSI cut in (reset) threshold, ensuring the compressor remains protected against thermal overload and mechanical failure during extreme head pressure conditions. As a genuine Carrier replacement part, it